Home / 780,244.22-1,170,512.31-247,899.26

Finding the Fourth Proportional to 780,244.22, 1,170,512.31 and 247,899.26

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Solution

The fourth proportional to 780,244.22, 1,170,512.31 and 247,899.26 is: 371,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,244.22 : 1,170,512.31 = 247,899.26 : x
  2. Step 2: Convert to fraction form
    780,244.22/1,170,512.31 = 247,899.26/x
  3. Step 3: Cross multiply
    780,244.22x = 1,170,512.31 × 247,899.26
  4. Step 4: Simplify right side
    780,244.22x = 290,169,135,469.89
  5. Step 5: Solve for x
    x = 290,169,135,469.89/780,244.22
  6. Step 6: Final answer
    x = 371,895.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.